/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

using System;
namespace Velocity4Net.Runtime.Logging
{
    /**
     * Base interface that logging systems need to implement. This
     * is the blessed descendant of the old LogSystem interface.
     *
     * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a>
     * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
     * @author <a href="mailto:nbubna@apache.org">Nathan Bubna</a>
     * @version $Id: LogChute.java 730039 2008-12-30 03:53:19Z byron $
     * @since 1.5
     */
    public interface LogChute
    {

        /**
         * Initializes this LogChute.
         * @param rs
         * @throws Exception
         */
        void init(RuntimeServices rs);

        /**
         * Send a log message from Velocity.
         * @param level
         * @param message
         */
        void log(int level, String message);

        /**
         * Send a log message from Velocity along with an exception or error
         * @param level
         * @param message
         * @param t
         */
        void log(int level, String message, System.Exception t);

        /**
         * Tell whether or not a log level is enabled.
         * @param level
         * @return True if a level is enabled.
         */
        bool isLevelEnabled(int level);

    }
}